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etcd: Rewrite embed etcd implementation

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This is a giant cleanup of the etcd code. The earlier version was
written when I was less experienced with golang.

This is still not perfect, and does contain some races, but at least
it's a decent base to start from. The automatic elastic clustering
should be considered an experimental feature. If you need a more
battle-tested cluster, then you should manage etcd manually and point
mgmt at your existing cluster.
This commit is contained in:
James Shubin
2018-05-05 17:35:08 -04:00
parent fb275d9537
commit a5842a41b2
56 changed files with 5459 additions and 2654 deletions
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52
test/shell/exchange.sh
View File

@@ -5,18 +5,58 @@
set -o errexit
set -o pipefail
$TIMEOUT "$MGMT" run --hostname h1 --ideal-cluster-size 1 --tmp-prefix --no-pgp lang --lang exchange0.mcl &
$TIMEOUT "$MGMT" run --hostname h2 --seeds http://127.0.0.1:2379 --client-urls http://127.0.0.1:2381 --server-urls http://127.0.0.1:2382 --tmp-prefix --no-pgp lang --lang exchange0.mcl &
$TIMEOUT "$MGMT" run --hostname h3 --seeds http://127.0.0.1:2379 --client-urls http://127.0.0.1:2383 --server-urls http://127.0.0.1:2384 --tmp-prefix --no-pgp lang --lang exchange0.mcl &
$TIMEOUT "$MGMT" run --hostname h4 --seeds http://127.0.0.1:2379 --client-urls http://127.0.0.1:2385 --server-urls http://127.0.0.1:2386 --tmp-prefix --no-pgp lang --lang exchange0.mcl &
$TIMEOUT "$MGMT" run --hostname h1 --tmp-prefix --no-pgp empty &
pid1=$!
sleep 10s
$TIMEOUT "$MGMT" run --hostname h2 --seeds http://127.0.0.1:2379 --client-urls http://127.0.0.1:2381 --server-urls http://127.0.0.1:2382 --tmp-prefix --no-pgp empty &
pid2=$!
sleep 10s
$TIMEOUT "$MGMT" run --hostname h3 --seeds http://127.0.0.1:2379 --client-urls http://127.0.0.1:2383 --server-urls http://127.0.0.1:2384 --tmp-prefix --no-pgp empty &
pid3=$!
sleep 10s
$TIMEOUT "$MGMT" run --hostname h4 --seeds http://127.0.0.1:2379 --client-urls http://127.0.0.1:2385 --server-urls http://127.0.0.1:2386 --tmp-prefix --no-pgp empty &
pid4=$!
sleep 10s
$TIMEOUT "$MGMT" deploy --no-git --seeds http://127.0.0.1:2379 lang --lang exchange0.mcl
# kill servers on error/exit
trap 'pkill -9 mgmt' EXIT
#trap 'pkill -9 mgmt' EXIT
# wait for everything to converge
sleep 10s
sleep 15s
# debug
tail /tmp/mgmt/exchange-*
test "$(cat /tmp/mgmt/exchange-* | grep -c h1)" -eq 4
test "$(cat /tmp/mgmt/exchange-* | grep -c h2)" -eq 4
test "$(cat /tmp/mgmt/exchange-* | grep -c h3)" -eq 4
test "$(cat /tmp/mgmt/exchange-* | grep -c h4)" -eq 4
$(sleep 15s && kill -SIGINT $pid4)& # send ^C to exit mgmt...
wait $pid4
e=$?
if [ $e -ne 0 ]; then
exit $e
fi
$(sleep 15s && kill -SIGINT $pid3)& # send ^C to exit mgmt...
wait $pid3
e=$?
if [ $e -ne 0 ]; then
exit $e
fi
$(sleep 15s && kill -SIGINT $pid2)& # send ^C to exit mgmt...
wait $pid2
e=$?
if [ $e -ne 0 ]; then
exit $e
fi
$(sleep 15s && kill -SIGINT $pid1)& # send ^C to exit mgmt...
wait $pid1
e=$?
if [ $e -ne 0 ]; then
exit $e
fi